Four-time African player of the year Samuel Eto'o has threatened to sue his former club Sampdoria over a contract dispute.

Eto'o claims that when he joined Sampdoria in January 2015, there was a stipulation in his contract that the Serie A club would also sign fellow Cameroon international Fabrice Olinga, a product of Eto'o's youth academy.

Eto'o says "I'm only asking that president Massimo Ferrero and his lawyer do the right thing."

The 19-year-old Olinga plays for Belgian club Royal Mouscron-Peruwelz...